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Current location: Wanshili > common problem > How to maintain explosion-proof door

How to maintain explosion-proof door

Release time: 2020-03-21 15:41:01 Source: wanshili Number of visits: second

On the spot Explosion proof door The quality identification of this batch of products is mainly based on the inspection report of the corresponding products provided by the explosion-proof door manufacturer. If the inconsistency is found (such as the door leaf thickness, filling material, glass thickness and door frame side wall width, hardware accessories and the product performance and materials described in the report), it can be judged whether the batch of products have quality risks, In case of inconsistency, sealed samples can be sent to the national quality supervision and Inspection Center for fixed fire extinguishing systems and fire resistant components, and the national quality supervision and Inspection Center for fire protection building materials for combustion detection. It is specially emphasized that the product consistency also includes the product appearance and size ratio, such as whether it exceeds the maximum external dimension of the test report, whether it is a child mother type, whether the door mirror is fireproof, and issue the corresponding type approval certificate. If there is any discrepancy or no such type of test report, it can be directly judged as unqualified. Once it is found that the product does not conform to the product consistency or does not have the market access certificate, the distributor or manufacturer will be punished respectively according to Article 44 of the fire protection law of the people's Republic of China and Article 49 of the product quality law of the people's Republic of China.

How to maintain explosion-proof door

The common phenomena that destroy the performance of explosion-proof door in daily supervision are: a remove the door closer. Usually, when people come and go, people will feel that the door closer is inconvenient because of the existence of the door closer. In order to achieve the convenience of "normally open", the door closer is removed. B. replace the door lock at will. Some units in the use of explosion-proof doors as anti-theft doors, for the sake of safety, so replace their own think more reliable door lock. C. decoration without authorization. Some units think that the installation of explosion-proof door is harmful to the beauty and the overall disharmony, so they decorate the explosion-proof door without authorization, paint different coatings and even paste decoration materials. D. remove the explosion-proof door and damage the sealing strip. Because of various reasons, the door body is damaged, the sealing strip is cracked, and even the explosion-proof door is removed directly.

In view of these situations, we should publicize and explain the functions and relevant knowledge of explosion-proof doors, so that the owners can understand the importance of explosion-proof doors in buildings and how to distinguish high-quality and fake products, so as to improve people's understanding of the importance and role of explosion-proof doors, which is of great help to strengthen our daily supervision and management, so as to greatly reduce the possibility of destroying explosion-proof doors or buying fake goods cheaply, The behavior of leaving fire hazards to fire supervision and daily management.

How to maintain explosion-proof door?

1. The material and thickness of the membrane plate of the explosion-proof door shall not be changed at will, and the design standard must be strictly implemented.

2. The explosion-proof door of the manufacturer of explosion-proof door shall not use the whole membrane board except the aluminum plate of groove, and the interface position shall meet the design requirements.

3. The outside of the screw hole around the explosion-proof door should be opened to reduce the opening resistance of the explosion-proof door during pressure relief.

4. There should be asbestos rope or other sealing materials between the explosion-proof door and the flange, and the pressure ring should be tightened with screws to ensure tight sealing.

5. The manufacturer of the explosion-proof door suggests that the use of the explosion-proof door should be checked regularly, and the membrane plate of the explosion-proof door that has been worn through or corroded should be replaced in time.

6. After the explosion-proof door of pulverizing system is blasted, the cause shall be found out, the fire source shall be eliminated and the powder accumulation shall be eliminated. The purging system shall be restarted after the explosion-proof door is repaired.

7. When replacing or inspecting the explosion-proof door, the pulverizing system must be shut down and safety measures should be taken. It is strictly forbidden to check or replace the explosion-proof door on the pulverizing system in operation, and it is forbidden to stay or walk around or on the explosion-proof door.

8. Any place where the anti rust material falls off or touches off shall be repainted at any time.

9. If the sealing rubber strip is damaged or degummed, it should be replaced or bonded in time. The replacement period of the sealing strip is about 2 years.

10. If there is rust on the hinge rotating part, it should be cleaned and re oiled.

The door frame of explosion-proof door manufacturer is made of cold-rolled steel, the surface layer is thin steel plate (stainless steel), and the door leaf is made of galvanized steel plate at one time, so as to achieve better sound insulation effect. The fire-proof porous sound absorption material is used as the filling material to obtain the high damping characteristic of small sound coupling; double special elastic stop (sealing gasket or non combustible sealing gasket) is installed around the door frame to completely eliminate the sound leakage caused by "holes" and "gaps". All materials are fire-proof materials. The surface of fire-proof and explosion-proof doors can be installed with advanced decorative materials such as imitation wood and leather without affecting its sound insulation performance. The size and sound insulation performance of the explosion-proof door can be selected according to the requirements of sound insulation grade, installation space and fire-proof grade; the fire-proof and explosion-proof door can withstand the aerodynamic load of 1000N / m2 at temperature of 300 ℃ - 950 ℃, the opening life is not less than 120000 times, and the sound insulation capacity is 35-40db (a). It can provide the national authority department's sound insulation and fire protection test report.

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